Home / 245,942.35-339,424.65-143,961.63

Finding the Fourth Proportional to 245,942.35, 339,424.65 and 143,961.63

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Solution

The fourth proportional to 245,942.35, 339,424.65 and 143,961.63 is: 198,681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,942.35 : 339,424.65 = 143,961.63 : x
  2. Step 2: Convert to fraction form
    245,942.35/339,424.65 = 143,961.63/x
  3. Step 3: Cross multiply
    245,942.35x = 339,424.65 × 143,961.63
  4. Step 4: Simplify right side
    245,942.35x = 48,864,124,603.34
  5. Step 5: Solve for x
    x = 48,864,124,603.34/245,942.35
  6. Step 6: Final answer
    x = 198,681.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.